CN213471042U

CN213471042U - Automatic nailing gun

Info

Publication number: CN213471042U
Application number: CN202022556743.0U
Authority: CN
Inventors: 张华定
Original assignee: Taizhou Dingba Power Tools Co ltd
Current assignee: Taizhou Dingba Power Tools Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-06-18
Anticipated expiration: 2030-11-06

Abstract

The utility model provides an automatic nailing gun belongs to nailing gun technical field. It has solved the trouble problem of getting the nail behind the current nailing gun bail. This automatic nailing gun includes the casing, set up the first cylinder body in the casing and set up the first piston in first cylinder body, the firing pin has been linked firmly on the first piston, inclosed power cavity has between the rear end of first piston and the first cylinder body, still be equipped with first driver in the casing, be connected with push structure on the output shaft of first driver, push structure can promote the volume that first piston removed compression power cavity, still be equipped with on the casing and can advance line location structure of location to the firing pin. The nailing gun has the advantage of convenient nail taking after the nail clamping.

Description

Automatic nailing gun

Technical Field

The utility model belongs to the technical field of the nailing gun, a automatic nailing gun is related to.

Background

A nailing gun is a common tool and generally includes a gun body, a firing pin, and a nail magazine. The operating principle of nailing gun is that the firing pin strikes the nail in the nail groove, drives into the position that the required nail was gone into with the nail, and the condition such as bail often can appear in use nailing gun, if do not have the early warning to discover the concrete problem of nailing gun under this kind of circumstances, can influence the normal use of nailing gun.

Various improvements have been made to solve the above problems, and patents have been filed, for example, chinese patent literature discloses a detection device for a nailing gun [ patent No.: 201520950595.7, respectively; authorization notice number: CN205363784U ], the nailing machine includes the casing and sets up the firing pin that can reciprocating motion in the casing, still is equipped with the nail groove that can place the strip nail in the casing, and detection device is including setting up whether the sensor that can detect the firing pin unusual card end in the casing is with can detect whether empty sensor two in the nail groove, set firmly on the casing can show the instruction structure of sensor one response state and sensor two response state respectively.

In the nailing gun with the structure, whether the firing pin is abnormal or not can be detected by the detection device, when the firing pin is abnormal, the situation that the firing pin does not move to the set position and does not move in place is shown, the possibility that the firing pin is clamped with the nail is high, and an operator needs to remove the nail. However, in the nailing gun having such a structure, it is necessary to open the face cover when removing the staple, and the striker always abuts against the staple when the staple is removed, so that the staple is very tight and troublesome to remove. Meanwhile, when the cover is opened, the striker suddenly moves to bounce the staple, which is a problem and has a certain risk.

Disclosure of Invention

The utility model aims at providing an automatic nailing gun to the above-mentioned problem that exists among the prior art, the technical problem of solution makes to get the nail convenient behind the nailing gun bail.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides an automatic nailing gun, includes the casing, sets up first cylinder body in the casing and sets up the first piston in first cylinder body, the firing pin has been linked firmly on the first piston, its characterized in that, inclosed power cavity has between the rear end of first piston and the first cylinder body, still be equipped with first driver in the casing, be connected with on the output shaft of first driver and promote the structure, it can promote first piston and remove the volume that compresses power cavity to promote the structure, still be equipped with on the casing and carry out the location structure of fixing a position to the firing pin.

The nailing gun is internally provided with a controller which controls the first driver and the positioning structure to cooperate and link. The power cavity is filled with nitrogen, when the nail shooting device works, the positioning structure and the firing pin fall off, the pressure of the nitrogen in the power cavity is greater than that of the outside air, power is provided to drive the first piston and the firing pin to move, the firing pin impacts to realize nail shooting, and in the process, the first piston drives the pushing structure to reset; when the positioning structure is reset, the first driver works to enable the pushing structure to push the first piston to move backwards, so that the volume of the power cavity is reduced, the space of the power cavity is reduced, namely the pressure of nitrogen in the power cavity is increased, the first piston drives the striker to move backwards until the positioning structure positions the striker, and the situation that the striker and the first piston are reset in place is explained; the process is repeated, and the automatic nail shooting for many times is realized. At shooting the nail in-process, there is the bail problem, during the bail, this nailing gun only need start first driver, makes to promote the first piston rearward movement of structure and a short distance, makes the firing pin no longer push down the nail, opens the face lid again, take out the bail can, the bail takes out the convenience, also does not have when opening the face lid, and the firing pin removes the problem that leads to the bail to pop out.

In foretell automatic nailing gun, promote the structure including link firmly gear and a rack along first cylinder body axial setting on first driver output shaft, the rack meshes with the gear mutually, the one end embedding of rack is fixed in first piston, first driver can drive the rack through the gear and remove, the rack can promote first piston and remove compression power cavity. The first driver drives the gear to rotate, the gear rotates to drive the rack to move along the axial direction of the first cylinder body, and the rack pushes the first piston to move towards the rear end of the first cylinder body to compress the power cavity, so that the pressure of nitrogen in the power cavity is increased, and the nail is conveniently shot; the cooperation of gear and rack, the effort is great, guarantees that first piston can move and target in place, guarantees that the power cavity has sufficient pressure.

In an above-mentioned automatic nailing gun, the nailing gun still includes the nail floodgate, what have the protrusion to set up on the casing is long banding installation passageway, the installation passageway supplies the rack to wear to establish, the installation passageway is located the lateral part of nail floodgate. The installation channel provides an installation space, so that the rack can be installed in the shell, the rack is guaranteed to move according to a set position, the moving precision of the rack is improved, and the first piston can be guaranteed to move in place.

As another aspect, in the above automatic nailing gun, the pushing structure includes a gear set and a pair of racks axially disposed along the first cylinder, the pair of racks are connected to the gear set, one end of the pair of racks is embedded and fixed in the first piston, the first driver can drive the pair of racks to move in the same direction through the gear set, and the racks can push the first piston to move to compress the power cavity. The first driver drives the gear set to rotate, the gear set rotates to drive the rack to move along the axial direction of the first cylinder body, and the rack pushes the first piston to move towards the rear end of the first cylinder body to compress the power cavity, so that the pressure of nitrogen in the power cavity is increased, and the nail is conveniently shot; the cooperation of gear train and rack, the effort is great, guarantees that first piston can move to the target position, proves that the power cavity has sufficient pressure.

In the above automatic nailing gun, the positioning structure includes an electromagnet fixedly connected to the side of the casing and a positioning strip hinged to the casing, the positioning strip is provided with a protruding positioning portion, the side of the striker has a recessed positioning groove, the electromagnet can drive the positioning strip to rotate around the hinge point of the positioning strip and the casing, and the positioning portion can be embedded into the positioning groove to position the striker. The iron core of the electromagnet extends out to drive the positioning strip to rotate towards the firing pin, so that the positioning part is embedded into the positioning groove, the firing pin is positioned, when the iron core of the electromagnet retracts, the positioning part leaves the positioning groove, the firing pin is not blocked, and the firing pin moves forwards, so that nail shooting is realized.

As another aspect, in the automatic nailing gun as described above, the positioning structure includes an electromagnet attached to the top of the housing, the striker has a positioning hole, and the iron core of the electromagnet can be inserted into the positioning hole to position the striker.

In the above automatic nailing gun, the rear end face of the first piston is a flat plane, the front end face of the first piston is provided with a weight reduction groove which is concavely arranged, and a reinforcing grid is arranged in the weight reduction groove. The rear end face of the first piston is a flat plane, so that the force of the power cavity acting on the first piston is stable, the weight of the first piston is reduced due to the weight reduction grooves, the first piston moves smoothly, and the first piston has enough strength due to the arrangement of the reinforcing grids.

In the above automatic nailing gun, the rear end of the first cylinder body is fixedly connected with a detachable plug cap which plugs the power cavity. The blocking cover is detached, and the nitrogen tank can be directly installed at the rear end of the first cylinder body.

In foretell automatic nailing gun, be equipped with the detector that can detect first piston position in the casing, the detector includes first conversion component, second conversion component and sensing element, first conversion component and second conversion component are all fixed between casing and first cylinder body, first conversion component is located the front end of first cylinder body, second conversion component is located the centre department of first cylinder body, the sensing element links firmly on first piston. The structure can detect whether the first piston is at the set position, when the first piston is not at the set position, the nailing machine has the problem of the staple and needs to remove the staple; the detector is also connected with the controller, the detector transmits the signal to the controller, and the controller controls the first driver to work, so that the staple is taken out conveniently.

In foretell automatic nailing gun, the rear end of first cylinder body has still linked firmly the second cylinder body, the inside cavity of second cylinder body is linked together with the power cavity, be equipped with the second piston in the second cylinder body, still be equipped with the second driver in the casing, the second driver can drive the second piston and remove the volume that changes the power cavity. The structure can control the pressure intensity of nitrogen in the power cavity, namely the impact force of the firing pin; meanwhile, during staple removal, the second piston can be moved to increase the volume of the power cavity, so that the pressure of nitrogen in the power cavity is lower than that of outside air, the first piston and the striker move backwards for a short distance, the striker is not pressed against the staple, and the staple can be removed conveniently.

In foretell an automatic nailing gun, it has the articulated arm to articulate in the second piston, the pivoted arm has been linked firmly on the output shaft of second driver, the articulated arm is articulated mutually with the pivoted arm, the rotatory ability of second driver drive pivoted arm drives second piston reciprocating motion through the articulated arm.

Compared with the prior art, the utility model provides a pair of automatic nailing gun has following advantage:

1. the nailing gun controls parts such as the first driver, the positioning structure, the detector and the second driver through the controller, so that the nailing gun is matched with linkage work to realize automatic nailing of the nailing gun, and meanwhile, the nailing gun is convenient to take nails when clamping nails.

2. This nailing gun passes through the position that the first piston was judged to the detector, can realize the bail through promoting the first piston of structure promotion and get the nail, also can promote the second piston through the second driver and realize the bail and get the nail, and it is convenient to get the nail, and improves the security.

Drawings

FIG. 1 is a schematic view showing the overall structure of the automatic nailing machine.

FIG. 2 is a sectional view showing the entire structure of the automatic nailing machine.

FIG. 3 is a schematic view of the positioning structure of the automatic nailing gun.

In the figure, 1, a housing; 2. a first cylinder; 3. a first piston; 31. a weight reduction groove; 32. reinforcing the grid; 4. a striker; 5. a power cavity; 6. a first driver; 7. a pushing structure; 71. a gear; 72. a rack; 73. installing a channel; 8. a positioning structure; 81. an electromagnet; 82. a positioning bar; 821. a positioning part; 83. positioning a groove; 9. nailing a gate; 10. blocking the cover; 11. a detector; 111. a first conversion element; 112. a second conversion element; 113. a sensing element; 12. a second cylinder; 13. a second piston; 14. a second driver; 15. an articulated arm; 16. a rotating arm; 17. and (7) a face cover.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1 and 2, the automatic nailing gun includes a housing 1, a first cylinder 2, a first piston 3, a striker 4, a first driver 6, a pushing structure 7, a positioning structure 8, a nail gate 9, a blanking cover 10, a detector 11, a second cylinder 12, a second piston 13, and a second driver 14. The first cylinder 2, the first driver 6, the pushing structure 7, the second cylinder 12 and the second driver 14 are all arranged in the housing 1, the first piston 3 is arranged in the first cylinder 2 and the second piston 13 is arranged in the second cylinder 12.

The rear end face of the first piston 3 is a flat plane, the front end face of the first piston 3 is provided with a weight reducing groove 31 which is arranged in a concave mode, a reinforcing grid 32 is arranged in the weight reducing groove 31, the front end of the first piston 3 is fixedly connected with a firing pin 4, a closed power cavity 5 is arranged between the rear end of the first piston 3 and the first cylinder body 2, the rear end of the first cylinder body 2 is fixedly connected with a detachable plug cover 10, and the plug cover 10 plugs the power cavity 5.

The first driver 6, namely, the output shaft of the motor is connected with the pushing structure 7, specifically, the pushing structure 7 includes a gear 71 fixedly connected to the output shaft of the first driver 6 and a rack 72 axially arranged along the first cylinder 2, the rack 72 is engaged with the gear 71, the housing 1 is provided with a mounting channel 73 which is convexly arranged and is in a long strip shape, the mounting channel 73 is penetrated by the rack 72, the mounting channel 73 is located at the side part of the nail brake 9, one end of the rack 72 is embedded and fixed in the first piston 3, the first driver 6 can drive the rack 72 to move through the gear 71, and the rack 72 pushes the first piston 3 to move to compress the power cavity 5.

As shown in fig. 3, the housing 1 is further provided with a positioning structure 8 capable of positioning the striker 4, specifically, the positioning structure 8 includes an electromagnet 81 fixedly connected to a side portion of the housing 1 and a positioning strip 82 hinged to the housing 1, the positioning strip 82 is provided with a positioning portion 821 arranged in a protruding manner, a side portion of the striker 4 is provided with a positioning slot 83 arranged in a recessed manner, the electromagnet 81 can drive the positioning strip 82 to rotate around a hinge point between the positioning strip 82 and the housing 1, and the positioning portion 821 can be embedded into the positioning slot 83 to position the striker 4.

The detector 11 capable of detecting the position of the first piston 3 is arranged in the housing 1, the detector 11 comprises a first conversion element 111, a second conversion element 112 and a sensing element 113, the first conversion element 111 and the second conversion element 112 are both fixed between the housing 1 and the first cylinder 2, the first conversion element 111 is positioned at the front end of the first cylinder 2, the second conversion element 112 is positioned in the middle of the first cylinder 2, and the sensing element 113 is fixedly connected to the first piston 3.

The cavity inside the second cylinder 12 is communicated with the power cavity 5, a second piston 13 is arranged in the second cylinder 12, an articulated arm 15 is articulated in the second piston 13, a rotating arm 16 is fixedly connected to an output shaft of a second driver 14, the articulated arm 15 is articulated with the rotating arm 16, the second driver 14 drives the rotating arm 16 to rotate, the second piston 13 can be driven to reciprocate by the articulated arm 15, and the second driver 14 can drive the second piston 13 to move so as to change the volume of the power cavity 5.

When the nail shooting device works, the positioning structure 8 and the firing pin 4 fall off, the pressure of nitrogen in the power cavity 5 is high, power is provided, the first piston 3 and the firing pin 4 are driven to move, the firing pin 4 is impacted to shoot a nail, and in the process, the first piston 3 drives the pushing structure 7 to reset; when the nail is reset after the nail shooting is finished, the first driver 6 works to enable the pushing structure 7 to push the first piston 3 to move backwards, so that the volume of the power cavity 5 is reduced, the first piston 3 drives the striker 4 to move backwards until the positioning structure 8 positions the striker 4, and the resetting of the first piston 3 is in place; the process is repeated, and the automatic nail shooting for many times is realized.

When the staple is clamped, the position of the first piston 3 is detected by the detector 11, the first driver 6 can be driven to work, the pushing structure 7 drives the first piston 3 to move backwards for a short distance, so that the striker 4 does not press the staple any more, and the cover 17 is opened to take the staple; the second driver 14 can also be driven to work, so that the second piston 13 moves downwards to increase the volume of the power cavity 5, the pressure intensity of nitrogen in the power cavity 5 is lower than that of outside air, the first piston 3 automatically moves backwards for a short distance, the striker 4 does not press the staple, and the surface cover 17 is opened to take the staple.

Example two

The structure and principle of the present embodiment are substantially the same as those of the first embodiment, except that in the present embodiment, the pushing structure 7 includes a gear 71 set and a pair of racks 72 disposed along the axial direction of the first cylinder 2, the pair of racks 72 are both connected to the gear 71 set, one end of each of the pair of racks 72 is embedded and fixed in the first piston 3, the first driver 6 can drive the pair of racks 72 to move in the same direction through the gear 71 set, and the racks 72 push the first piston 3 to move to compress the power cavity 5.

EXAMPLE III

The structure and principle of this embodiment are substantially the same as those of the first embodiment, except that in this embodiment, the positioning structure 8 includes an electromagnet 81 fixedly connected to the top of the housing 1, the striker 4 has a positioning hole, and the iron core of the electromagnet 81 can be inserted into the positioning hole to position the striker 4.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of housing 1, first cylinder 2, first piston 3, lightening slot 31, reinforcing grid 32, striker 4, power cavity 5, first driver 6, pushing structure 7, gear 71, rack 72, mounting channel 73, positioning structure 8, electromagnet 81, positioning bar 82, positioning portion 821, positioning slot 83, nail gate 9, blanking cover 10, detector 11, first conversion element 111, second conversion element 112, sensing element 113, second cylinder 12, second piston 13, second driver 14, hinge arm 15, swivel arm 16, face cover 17, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides an automatic nailing gun, includes casing (1), sets up first cylinder body (2) in casing (1) and sets up first piston (3) in first cylinder body (2), firing pin (4) have been linked firmly on first piston (3), its characterized in that, inclosed power cavity (5) have between the rear end of first piston (3) and first cylinder body (2), still be equipped with first driver (6) in casing (1), be connected with on the output shaft of first driver (6) and promote structure (7), promote structure (7) and can promote first piston (3) and remove the volume that compresses power cavity (5), still be equipped with on casing (1) and can carry out location structure (8) to firing pin (4).

2. An automatic nailing gun according to claim 1, wherein the pushing structure (7) comprises a gear (71) fixedly connected to the output shaft of the first driver (6) and a rack (72) axially arranged along the first cylinder (2), the rack (72) is engaged with the gear (71), one end of the rack (72) is embedded and fixed in the first piston (3), the first driver (6) can drive the rack (72) to move through the gear (71), and the rack (72) can push the first piston (3) to move to compress the power cavity (5).

3. An automatic nailing gun according to claim 2, wherein the nailing gun further comprises a nail gate (9), the housing (1) has a protrudingly disposed elongated mounting passage (73), the mounting passage (73) is through-passed by the rack (72), and the mounting passage (73) is located at a side portion of the nail gate (9).

4. An automatic nailing gun according to claim 1, wherein the pushing structure (7) comprises a gear (71) set and a pair of racks (72) axially arranged along the first cylinder (2), the pair of racks (72) are connected with the gear (71) set, one end of each of the pair of racks (72) is embedded and fixed in the first piston (3), the first driver (6) can drive the pair of racks (72) to move in the same direction through the gear (71) set, and the racks (72) can push the first piston (3) to move to compress the power cavity (5).

5. The automatic nailing gun according to claim 1, 2, 3 or 4, wherein the positioning structure (8) comprises an electromagnet (81) fixedly connected to the side of the housing (1) and a positioning strip (82) hinged to the housing (1), the positioning strip (82) is provided with a protruding positioning part (821), the side of the striker (4) is provided with a recessed positioning groove (83), the electromagnet (81) can drive the positioning strip (82) to rotate around a hinge point of the positioning strip (82) and the housing (1), and the positioning part (821) can be embedded into the positioning groove (83) to position the striker (4).

6. An automatic nailing gun according to claim 1, 2, 3 or 4, wherein the positioning structure (8) comprises an electromagnet (81) attached to the top of the housing (1), the striker (4) having a positioning hole therein, the plunger of the electromagnet (81) being insertable into the positioning hole to position the striker (4).

7. An automatic nailing gun according to claim 1, 2, 3 or 4, wherein the rear end face of the first piston (3) is a flat plane, the front end face of the first piston (3) has weight-reducing grooves (31) concavely arranged, and reinforcing grids (32) are arranged in the weight-reducing grooves (31).

8. An automatic nailing gun according to claim 1 or 2 or 3 or 4, characterized in that a detachable cap (10) is fixedly attached to the rear end of the first cylinder (2), said cap (10) closing off the power cavity (5).

9. An automatic nailing gun according to claim 1 or 2 or 3 or 4, wherein a detector (11) capable of detecting the position of the first piston (3) is provided in the housing (1), the detector (11) comprises a first switching member (111), a second switching member (112) and a sensing member (113), the first switching member (111) and the second switching member (112) are fixed between the housing (1) and the first cylinder (2), the first switching member (111) is located at the front end of the first cylinder (2), the second switching member (112) is located at the middle of the first cylinder (2), and the sensing member (113) is attached to the first piston (3).

10. An automatic nailing gun as claimed in claim 1, 2, 3 or 4, wherein a second cylinder (12) is further connected to the rear end of the first cylinder (2), the cavity inside the second cylinder (12) is communicated with the power cavity (5), a second piston (13) is arranged in the second cylinder (12), and a second driver (14) is further arranged in the housing (1), and the second driver (14) can drive the second piston (13) to move to change the volume of the power cavity (5).